Facts About Ruthenium and Thulium
Interesting Facts
- Ruthenium element has been extracted from used nuclear fuel.
- Ruthenium metal also produces as a by-product of the Nickel mining.
  
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
  
Sources
By-product of Nickel Refining, Found in Minerals, Mining
  
Found in Minerals, Mining, Ores of Minerals
  
History
  
  
Who Discovered
Karl Ernst Claus
  
Per Teodor Cleve
  
Discovery
In 1844
  
In 1879
  
Abundance
  
  
Abundance In Sun
~0.0000005 %
  
22
~0.00000002 %
  
28
Abundance In Earth's Crust